<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>

<body>
    <script>
        //4. 求数组 [11,39,24,45,12,1] 中的最大值和最小值，并且输出结果
        let arr = [11, 39, 24, 45, 12, 1]
        let max = arr[0]
        let min = arr[0]

        for (let i of arr.keys()) {
            if (arr[i] > max) {
                max = arr[i]
            }
            // 逻辑中断

            if (arr[i] < min) {
                min = arr[i]
            }
        }
        console.log(max)
        console.log(min)

    </script>
</body>

</html>